/Engine/Source/Runtime/GeometryCore/Public/DynamicMesh/Operations/SplitAttributeWelder.h
FSplitAttributeWeldercan be used to weld split-attributes that share the same vertex in the parent mesh (e.g. split normals)
class FSplitAttributeWelder
float
ColorDistSqrdThreshold
Merge threshold used to compare Color Overlay elements Applied as (ColorA - ColorB).SizeSquared() <= ColorDistSqrdThreshold
float
NormalVecDotThreshold
Merge threshold used to compare Normal Overlay vectors.
float
TangentVecDotThreshold
Merge threshold used to compare Tangent (and BiTangent) Overlay vectors.
float
UVDistSqrdThreshold
Merge threshold used to compare UV Overlay elements.